申请人:Showa Denko K.K.
公开号:US05166403A1
公开(公告)日:1992-11-24
An amine derivative having a liquid crystal property over a wide temperature range and a process for production thereof are disclosed, the amine derivative being represented by formula (I) ##STR1## wherein A represents ##STR2## X.sub.1 and X.sub.2, which may be the same or different, each represents ##STR3## Y represents --O-- or ##STR4## R.sub.1 and R.sub.3, which may be the same or different, each represents a straight chain or branched chain alkyl group having 1 to 18 carbon atoms; R.sub.2 represents a hydrogen atom or a methyl group; m and n each represents 0 or 1; and p and q each represents 1 or 2, provided that p and q are 1 when n is 0, and p and q are not 2 at the same time when n is 1.
揭示了一种具有液晶性质的胺衍生物及其生产方法,所述胺衍生物由式(I)表示:
其中A代表
X₁和X₂,可以相同也可以不同,每个代表
Y代表--O--或
R₁和R₃,可以相同也可以不同,每个代表具有1至18个碳原子的直链或支链烷基基团;R₂代表氢原子或甲基基团;m和n各自表示0或1;p和q各自表示1或2,但当n为0时,p和q为1,当n为1时,p和q不能同时为2。